SAD を用いた KEKB コミッショニング/オペレーション・ソフトウエアの概要. Reference : K. Furukawa / KEK "SAD in Accelerator Operation and Virtual Accelerator" at J-PARC Commissioning Group Meeting, Oct. 30, 2002. http://jhfacsv03.kek.jp/doc/report/index.html#linphase-jun03 第 1 回 SAD ワークショップ講演記録集 (AccLab-99-15) - PowerPoint PPT Presentation
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SAD を用いた KEKB コミッショニング/オペレーション・ソフトウエアの概要
Y. Ohnishi / KEKSeptember/17/2003
Reference : K. Furukawa / KEK
"SAD in Accelerator Operation and Virtual Accelerator"
at J-PARC Commissioning Group Meeting, Oct. 30, 2002.http://jhfacsv03.kek.jp/doc/report/index.html#linphase-jun03
◆ 第 1 回 SAD ワークショップ講演記録集 (AccLab-99-15)1998年7月7日ー9日 at KEK (但し、絶版)
◆ SAD Home Page: http://acc-physics.kek.jp/SAD/sad.html KBFrame : http://www-kekb.kek.jp/Documentation/KBFrame/
Knobs:■ Local bumps at sextupoles■ Fudge factors for quads/skews
dispersion
XY-coupling
beta function
Works very well !
12
Best luminosity run of the day
13
≈60m
データ・ログを見る。(ログ・ブラウザー)Circumferences are adjusted by RF frequency with looking at HER orbit.LER has an independent knob to adjust circumference with “Chicane”.Orbit correction (CCC) applies circumference correction simultaneously.
Typhoon #21 (970 hPa)(9 p.m. October 1, 2002)
Atmospheric pressure
RF frequency
Extension about 300m (-50 Hz).
Extension of the circumference
€
ΔCC= −Δf
f
€
ΔCC=α
Δp
p=α
x
ηBending angle of the chicane(LER circumference adjustment w/o RF frequency)
measurementknob
This behavior is consistent with tidal effect. We observe tidal effect by ground motion ??